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KMID : 0903620000410020166
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Journal of the Korean Society for Horticultural Science
2000 Volume.41 No. 2 p.166 ~ p.168
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Effect of Plug Cell and Microtuber Size on the Growth and Yield of ´Dejima ´ Potato
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이현숙/Lee, Hyun Suk
김창배/김창길/최부술/최경배/Kim, Chang Bae/Kim, Chang Kil/Choi, Boo Sull/Choi, Kyung Bae
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Abstract
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This experiment was conducted to investigate the effect of different microtubers (5∼7 ㎜ and 3∼4 ㎜ diameter) and plug cells (128 and 72-cell plug tray) on growth and yields of ´Dejima´ potato. Microtubers of 5∼7 ㎜ in diameter were higher in sprouting and lower in decaying than that of 3∼4 ㎜. During the seedling, the emergence of plant was favorable in 5∼7 ㎜ diameter of microtubers, but plug cell size was not affected. Seedlings grown in 128-cell plug tray showed better growth in plant height than those of in 72-cell. Transplanted seedlings in field showed very high planting rate. After planting, at the early stage, growth was good in 128-cell, but at the late stage growth was better in 72-cell than in 128-cell plug tray. Number of tuber per plant was found in most in 128-cell and total potato yields were higher at 3∼4 ㎜ in 128-cell and 5∼7 ㎜ in 72 cell than those of others.
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